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  • 1
    Electronic Resource
    Electronic Resource
    Measurements of starch breakdown as estimates of glycolysis during thermogenesis by the spadix of Arum maculatum L. (1977)
    Springer
    Planta 134 (1977), S. 53-56 
    Details
    ISSN: 1432-2048
    Keywords: Arum maculatum ; Glycolysis ; Spadix ; Starch breakdown ; Thermogenesis
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract The rates of starch breakdown at thermogenesis by clubs of the spadices of Arum maculatum L. were measured in individual clubs still attached to the plants. The values obtained were used as estimates of the rate of glycolysis at thermogenesis. Such rates were shown to exceed the maximum catalytic activities of phosphofructokinase (E.C. 2.7.1.11.), aldolase (E.C. 4.1.2.7.), and glyceraldehydephosphate dehydrogenase (E.C. 1.2.1.12.) in developing clubs. The marked increases in the activities of the above enzymes that occur during the development of the club have been shown to be a prerequisite for the attainment of the high rate of glycolysis found at thermogenesis, and thus to be an example of coarse control of glycolysis.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00390094
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Application of capillary supercritical fluid chromatography to the analysis of a middle distillate fuel (1984)
    Springer
    Chromatographia 18 (1984), S. 542-545 
    Details
    ISSN: 1612-1112
    Keywords: Supercritical fluid chromatography ; Alumina ; Fused silica capillary columns ; Middle distillate fuel
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Notes: Summary The application of capillary supercritical fluid chromatography (SFC) to the analysis of a middle distillate fuel is described. Small diameter (50μm i.d.) fused-silica capillary columns coated with crosslinked 50% phenyl polymethylphenyl siloxane provided high separation efficiency and good compatibility with flame ionization detection. High resolution separations of the chemical class fractions obtained by adsorption chromatography on alumina were obtained using carbon dioxide as the supercritical mobile phase and simple pressure programming techniques. In addition to the less polar fuel components, supercritical carbon dioxide allowed chromatography of the nitrogen-containing polycyclic aromatic hydrocarbon fraction and the hydroxylated polycyclic aromatic materials.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02265691
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    Paper (German National Licenses)
    Fulltext
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